The Great Big Clean-Up

From tossing out cross-contaminated cell lines to flagging genomic misnomers, a push is on to tidy up biomedical research.

Written byKerry Grens
| 12 min read

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© DAN PAGE COLLECTION/THEISPOT

Several years ago, a manuscript characterizing a cell line called RGC-5, which was derived from rat retina, came across the desk of Thomas Yorio, then an associate editor at Investigative Ophthalmology and Visual Science (IOVS). The line was commonly used in vision research; Yorio had used it in his own work at the University of North Texas Health Science Center, and researchers across the field had by then published more than 200 studies involving the cells. But the authors of the new paper had found that RGC-5 cells were not retinal ganglion cells after all. RGC-5 cells hadn’t even come from a rat.1 Suddenly, all of those published studies were called into question.

“They were the first to bring it to my attention,” says Yorio, ...

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  • kerry grens

    Kerry served as The Scientist’s news director until 2021. Before joining The Scientist in 2013, she was a stringer for Reuters Health, the senior health and science reporter at WHYY in Philadelphia, and the health and science reporter at New Hampshire Public Radio. Kerry got her start in journalism as a AAAS Mass Media fellow at KUNC in Colorado. She has a master’s in biological sciences from Stanford University and a biology degree from Loyola University Chicago.

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